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Tema [17]
3 years ago
11

What is the answer for -8=s+6

Mathematics
1 answer:
9966 [12]3 years ago
7 0

Answer:

s=-14

Step-by-step explanation:

-8 = s+6       Given

-14 = s          Subtract 6 from both sides

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Beau buys a 3-pound bag of trail mix for a hike. He wants to make one-ounce bags for his friends with whom he is hiking. How man
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1 pound = 16 ounces

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3 pounds= 48 ounces

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The vertex of the parabola below is at the point (4, -1). Which of the equations below could be the one for this parabola?  
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The answer is B

Step-by-step explanation:

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Answer:

The answer is less than one

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The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 330 grams and a standard deviati
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Answer:

Weights of at least 340.1 are in the highest 20%.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 330, \sigma = 12

a. Highest 20 percent

At least X

100-20 = 80

So X is the 80th percentile, which is X when Z has a pvalue of 0.8. So X when Z = 0.842.

Z = \frac{X - \mu}{\sigma}

0.842 = \frac{X - 330}{12}

X - 330 = 12*0.842

X = 340.1

Weights of at least 340.1 are in the highest 20%.

3 0
3 years ago
the area of a square whose sides have length x cm is increasing at the rate of 12cm²/s. how fast is the length of a side increas
katovenus [111]

Answer:

0.67 cm/s

Step-by-step explanation:

The area of a square is given by :

A=x^2 ....(1)

Where

x is the side of a square

\dfrac{dA}{dt}=12\ cm^2/s

Differentiating equation (1) wrt t.

\dfrac{dA}{dt}=2x\times \dfrac{dx}{dt}

When A = 81cm²​, the side of the square, x = 9 cm

Put all the values,

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So, the length of the side of a square is changing at the rate of 0.67 cm/s.

4 0
3 years ago
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